/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var PerfumeBottle = Container.expand(function (isInverted) {
	var self = Container.call(this);
	// Create bottle graphics based on orientation
	var bottleAsset = isInverted ? 'perfumeBottleInverted' : 'perfumeBottleUpright';
	var bottleGraphics = self.attachAsset(bottleAsset, {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isInverted = isInverted || false;
	self.fallSpeed = 3;
	self.placed = false;
	self.lastY = 0;
	// Method to create spray effect
	self.createSprayEffect = function () {
		var spray = self.attachAsset('sprayEffect', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8
		});
		// Position spray at top of bottle
		spray.y = self.isInverted ? -180 : -20;
		// Animate spray effect with tween
		tween(spray, {
			alpha: 0.6,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 300,
			onFinish: function onFinish() {
				tween(spray, {
					alpha: 0.3,
					scaleX: 2,
					scaleY: 2
				}, {
					duration: 300,
					onFinish: function onFinish() {
						tween(spray, {
							alpha: 0
						}, {
							duration: 200,
							onFinish: function onFinish() {
								if (spray.parent) {
									spray.parent.removeChild(spray);
								}
							}
						});
					}
				});
			}
		});
	};
	self.update = function () {
		if (!self.placed) {
			self.lastY = self.y;
			self.y += self.fallSpeed;
		}
	};
	return self;
});
var Tower = Container.expand(function () {
	var self = Container.call(this);
	self.bottles = [];
	self.height = 0;
	self.swayAmount = 0;
	self.swaySpeed = 0.02;
	// Add base bottle
	self.addBase = function () {
		var base = self.attachAsset('bottleBase', {
			anchorX: 0.5,
			anchorY: 1.0
		});
		base.y = gameHeight - 100;
		self.height = base.y;
	};
	self.addBottle = function (bottle) {
		bottle.y = self.height - (bottle.isInverted ? 180 : 20);
		bottle.placed = true;
		self.bottles.push(bottle);
		self.height -= 180;
		// Increase sway with tower height
		self.swayAmount = Math.min(self.bottles.length * 0.5, 15);
	};
	self.update = function () {
		// Apply swaying physics to tower
		if (self.bottles.length > 0) {
			var sway = Math.sin(LK.ticks * self.swaySpeed) * self.swayAmount;
			for (var i = 0; i < self.bottles.length; i++) {
				var bottle = self.bottles[i];
				var swayMultiplier = (i + 1) / self.bottles.length;
				bottle.x = sway * swayMultiplier;
			}
		}
	};
	self.checkCollapse = function (newBottle) {
		// Simple collision check - if bottle is too far off center
		var centerX = 0;
		var tolerance = 80;
		return Math.abs(newBottle.x - centerX) > tolerance;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xF5F0E8
});

/**** 
* Game Code
****/ 
var gameWidth = 2048;
var gameHeight = 2732;
// Game state variables
var score = 0;
var gameActive = true;
var nextIsInverted = false;
var fallingBottle = null;
var dropCooldown = 0;
// Create tower
var tower = game.addChild(new Tower());
tower.x = gameWidth / 2;
tower.addBase();
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0x8B4513
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create instruction text
var instructionTxt = new Text2('Tap to drop bottle', {
	size: 60,
	fill: 0xA0522D
});
instructionTxt.anchor.set(0.5, 0);
instructionTxt.y = 120;
LK.gui.top.addChild(instructionTxt);
// Spawn new falling bottle
function spawnBottle() {
	if (!gameActive || fallingBottle) {
		return;
	}
	fallingBottle = new PerfumeBottle(nextIsInverted);
	fallingBottle.x = gameWidth / 2 + (Math.random() - 0.5) * 200;
	fallingBottle.y = 100;
	game.addChild(fallingBottle);
	nextIsInverted = !nextIsInverted;
}
// Handle bottle placement
function placeBottle() {
	if (!fallingBottle || !gameActive || dropCooldown > 0) {
		return;
	}
	// Stop the bottle from falling
	fallingBottle.placed = true;
	// Check if placement is valid
	if (tower.checkCollapse(fallingBottle)) {
		// Game over - tower collapses
		gameActive = false;
		LK.effects.flashScreen(0xFF6B6B, 1000);
		LK.setTimeout(function () {
			LK.showGameOver();
		}, 1000);
		return;
	}
	// Successful placement
	tower.addBottle(fallingBottle);
	fallingBottle.createSprayEffect();
	// Update score
	score += 10;
	LK.setScore(score);
	scoreTxt.setText('Score: ' + score);
	// Play sounds
	LK.getSound('placeBottle').play();
	LK.setTimeout(function () {
		LK.getSound('spray').play();
	}, 200);
	// Check for milestone rewards
	if (score % 100 === 0 && score > 0) {
		LK.effects.flashScreen(0x98FB98, 500);
	}
	// Reset for next bottle
	fallingBottle = null;
	dropCooldown = 30; // Brief cooldown before next bottle
}
// Game input handling
game.down = function (x, y, obj) {
	placeBottle();
};
// Main game update loop
game.update = function () {
	if (!gameActive) {
		return;
	}
	// Handle cooldown
	if (dropCooldown > 0) {
		dropCooldown--;
	}
	// Spawn new bottle if none exists and cooldown is over
	if (!fallingBottle && dropCooldown === 0) {
		spawnBottle();
	}
	// Check if falling bottle has gone off screen
	if (fallingBottle && fallingBottle.y > gameHeight + 100) {
		// Missed bottle - game over
		gameActive = false;
		LK.effects.flashScreen(0xFF6B6B, 1000);
		LK.setTimeout(function () {
			LK.showGameOver();
		}, 1000);
	}
};
// Start the game by spawning first bottle
LK.setTimeout(function () {
	spawnBottle();
}, 1000);

===================================================================
--- original.js
+++ change.js
@@ -1,8 +1,8 @@
 /**** 
 * Plugins
 ****/ 
-var storage = LK.import("@upit/storage.v1");
+var tween = LK.import("@upit/tween.v1");
 
 /**** 
 * Classes
 ****/ 
@@ -26,24 +26,37 @@
 			alpha: 0.8
 		});
 		// Position spray at top of bottle
 		spray.y = self.isInverted ? -180 : -20;
-		// Animate spray effect with simple fade
-		var fadeTimer = LK.setTimeout(function () {
-			spray.alpha = 0.6;
-			spray.scaleX = 1.5;
-			spray.scaleY = 1.5;
-			var fadeTimer2 = LK.setTimeout(function () {
-				spray.alpha = 0.3;
-				spray.scaleX = 2;
-				spray.scaleY = 2;
-				var fadeTimer3 = LK.setTimeout(function () {
-					if (spray.parent) {
-						spray.parent.removeChild(spray);
+		// Animate spray effect with tween
+		tween(spray, {
+			alpha: 0.6,
+			scaleX: 1.5,
+			scaleY: 1.5
+		}, {
+			duration: 300,
+			onFinish: function onFinish() {
+				tween(spray, {
+					alpha: 0.3,
+					scaleX: 2,
+					scaleY: 2
+				}, {
+					duration: 300,
+					onFinish: function onFinish() {
+						tween(spray, {
+							alpha: 0
+						}, {
+							duration: 200,
+							onFinish: function onFinish() {
+								if (spray.parent) {
+									spray.parent.removeChild(spray);
+								}
+							}
+						});
 					}
-				}, 200);
-			}, 300);
-		}, 300);
+				});
+			}
+		});
 	};
 	self.update = function () {
 		if (!self.placed) {
 			self.lastY = self.y;